Add 84/18 and 72/81
1st number: 4 12/18, 2nd number: 72/81
84/18 + 72/81 is 50/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 18 × 9 = 162,
84/18 = 84 × 9/18 × 9 = 756/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
72/81 = 72 × 2/81 × 2 = 144/162 - Add the two like fractions:
756/162 + 144/162 = 756 + 144/162 = 900/162 - 900/162 simplified gives 50/9
- So, 84/18 + 72/81 = 50/9
In mixed form: 55/9
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